<template>
    <div class="login_container">
        <div class="login_box">
            <!-- 头像区域 -->
            <div class="wrap">
                <img src="../assets/logo.png" alt="">
            </div>
            <!-- 表单区域 -->
            <el-form :model='loginForm' :rules="formRules" ref="formRef">
                <el-form-item prop="username">
                    <el-input prefix-icon="iconfont icon-guanliyuan" v-model="loginForm.username"></el-input>
                </el-form-item>
               <el-form-item prop="password">
                    <el-input prefix-icon="iconfont icon-mima1" v-model='loginForm.password' type="password"></el-input>
                </el-form-item>
               <el-form-item class="sort">
                    <el-button type="primary" @click="confirm">登录</el-button>
                    <el-button type="info" @click="resetForm">重置</el-button>
                </el-form-item>
            </el-form>
        </div>
    </div>
</template>
<script>
export default {
  data: function () {
    return {
      loginForm: {
        username: '',
        password: ''
      },
      formRules: {
        username: [
          { required: true, message: '请输入登录名称', trigger: 'blur' },
          { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入登录密码', trigger: 'blur' },
          { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
        ]
      }
    }
  },
  methods: {
    resetForm: function () {
      this.$refs.formRef.resetFields()
    },
    confirm: function () {
      this.$refs.formRef.validate(async valid => {
        if (!valid) return
        const res = await this.$http.post('login', this.loginForm)
        if (res.meta.status !== 200) return this.$message.error('登录失败')
        this.$message.success('登录成功')
        window.sessionStorage.setItem('token', res.data.token)
        this.$router.push('/home')
      })
    }
  }
}
</script>
<style lang="less" scoped>
    .login_container {
        background-color: #2b4b6b;
        height: 100%;
    }
    .login_box {
        position: relative;
        width: 450px;
        height: 300px;
        background-color: #fff;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        border-radius: 3px;
        .wrap {
            position: relative;
            width: 130px;
            height: 130px;
            top: 0;
            left: 50%;
            padding: 10px;
            transform: translate(-50%, -50%);
            background-color: #fff;
            box-shadow: 0 0 10px #ddd;
            border-radius: 50%;
            img {
                width: 100%;
                height: 100%;
                border-radius: 50%;
                background-color: #eee;
            }
        };
        .el-form {
            position: absolute;
            left: 50%;
            transform: translate(-50%, -20%);
            width: 90%;
            .sort {
                display: flex;
                justify-content: flex-end;
            }
        }
    }
</style>
